Janus Henderson Group
ALAB icon

Janus Henderson Group’s Astera Labs ALAB Stock Holding History

Janus Henderson Group’s Portfolio ALAB Stock Details ALAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$47.4M Buy
433,165
+421,755
+3,696% +$60.1M 0.02% 427
2025
Q4 		$1.9M Sell
11,410
-117,618
-91% -$19.7M ﹤0.01% 1369
2025
Q3 		$25.3M Buy
129,028
+73,828
+134% +$12.1M 0.01% 556
2025
Q2 		$4.99M Buy
+55,200
New +$4.36M ﹤0.01% 901
2025
Q1 		– Sell
-18,086
Closed -$2.4M – 2559
2024
Q4 		$2.4M Buy
+18,086
New +$1.7M ﹤0.01% 1223
2024
Q2 		– Sell
-269,911
Closed -$20M – 2592
2024
Q1 		$20M Buy
+269,911
New +$20M 0.01% 563

Other funds holding ALAB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
AM
Atreides Management Boston, Massachusetts $5B AUM 78.34% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FAM
Fred Alger Management New York $22.8B AUM 64.63% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Amundi
Amundi Paris, France $367B AUM 31.23% 1-Year Est. Return

Janus Henderson Group's ALAB Position: Q1 2026 in Review

Janus Henderson Group increased its Astera Labs (ALAB) stake by 3,696% in Q1 2026, buying an estimated $60.1M and bringing the position to 433,165 shares worth $47.4M. The position accounts for 0.02% of the portfolio, ranked #427.

Janus Henderson Group first reported a position in ALAB in Q1 2024 and has held it in 6 quarters since. 703 funds tracked by Wall St. Rank hold ALAB as of Q1 2026.

  • Janus Henderson Group held 433,165 shares of Astera Labs worth $47.4M as of Q1 2026.
  • Janus Henderson Group bought 421,755 Astera Labs shares in Q1 2026, an estimated $60.1M.
  • Astera Labs made up 0.02% of Janus Henderson Group's portfolio in Q1 2026, its #427 holding.
  • Janus Henderson Group first reported a position in Astera Labs in Q1 2024 and has held it in 6 quarters since.
  • 703 funds tracked by Wall St. Rank held Astera Labs as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.